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 <title><![CDATA[有没有通过检测光线有无的传感器！！求大 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1657882.html]]></link>
 <description><![CDATA[Latest 50 replies of 有没有通过检测光线有无的传感器！！求大 ..]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如果只是检测有无光亮，一个光敏电阻就行了，要检测光照亮度就要专用模块了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1657882#2004691.html]]></link>
 <author><![CDATA[工控菜鸟]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 12 Oct 2018 05:13:52 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[我之前是用光敏电阻做的，效果也不错。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1657882#2004680.html]]></link>
 <author><![CDATA[jeffwang2011]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 12 Oct 2018 03:43:05 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[没有一个有明确的型号，佩服，我不知道 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1657882#2004668.html]]></link>
 <author><![CDATA[工控剑侠666]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 12 Oct 2018 03:05:58 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[要看你的检测精度啦[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1657882#2004619.html]]></link>
 <author><![CDATA[1406606700]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 12 Oct 2018 00:57:55 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[楼梯里的路灯。好多都是感光啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1657882#2004616.html]]></link>
 <author><![CDATA[bing429yu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 12 Oct 2018 00:55:28 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[通过检测光线有无的传感器很多啊&nbsp;&nbsp; 光敏电阻1元钱1个。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1657882#2004559.html]]></link>
 <author><![CDATA[沈江淼]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 11 Oct 2018 14:27:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[光可控硅管，公共场合用的声光控开关里就有。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1657882#2004554.html]]></link>
 <author><![CDATA[好久不见啦]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 11 Oct 2018 13:17:06 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[照度计，可以测量光的亮度，
单位是流明]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1657882#2004550.html]]></link>
 <author><![CDATA[tingfenghu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 11 Oct 2018 13:15:15 +0000]]></pubdate>
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